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Service bulletin LI27.00-P-077141

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id11022045
Published by NHTSA2025-08-21
Manufacturer's numberLI27.00-P-077141
Manufacturer's date2025-08-05
NHTSA componentPOWER TRAIN

NHTSA's summary

Complaint Customer complaints regarding automatic transmission 724.1 (8FDCT & 8FDCT hybrid) For faster, more effective and more targeted diagnosis, Intelligent Predictive Repair (IPR) has been developed and integrated into XENTRY Diagnosis. This ensures an automated diagnosis process. Complaint Customer complaints regarding automatic transmission 724.1 (8FDCT & 8FDCT hybrid) For faster, more effective and more targeted diagnosis, Intelligent Predictive Repair (IPR) has been developed and integrated into XENTRY Diagnosis. This ensures an automated diagnosis process. Complaint Customer complaints regarding automatic transmission 724.1 (8FDCT & 8FDCT hybrid) For faster, more effective and more targeted diagnosis, Intelligent Predictive Repair (IPR) has been developed and integrated into XENTRY Diagnosis. This ensures an automated diagnosis process.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Transmission and driveline

Vehicles listed
MERCEDES-BENZ A 2202019 to 2022
MERCEDES-BENZ AMG A352020 to 2021
MERCEDES-BENZ AMG CLA352020 to 2024
MERCEDES-BENZ AMG CLA452020 to 2023
MERCEDES-BENZ AMG GLA 352024 to 2025
MERCEDES-BENZ AMG GLA352021 to 2023
MERCEDES-BENZ AMG GLA452021 to 2023
MERCEDES-BENZ AMG GLB352021 to 2025
MERCEDES-BENZ C 350 E2018
MERCEDES-BENZ C350E2016 to 2017
MERCEDES-BENZ CLA 2502018 to 2025
MERCEDES-BENZ CLA2502013 to 2017
MERCEDES-BENZ E400 HYBRID2013 to 2015
MERCEDES-BENZ GLA 2502015 to 2025
MERCEDES-BENZ GLA 250 4MATIC2024
MERCEDES-BENZ GLB 2502020 to 2025
MERCEDES-BENZ S550 HYBRID2016
MERCEDES-BENZ S550E2015

Listing a model year does not mean every vehicle of it is concerned: the document says which.